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-rw-r--r--tests/inferior.scm16
1 files changed, 15 insertions, 1 deletions
diff --git a/tests/inferior.scm b/tests/inferior.scm
index 9992077cb2..56b2fcb7bc 100644
--- a/tests/inferior.scm
+++ b/tests/inferior.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2018-2022 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -62,6 +62,20 @@
(close-inferior inferior)
(list a (inferior-object? b))))))
+(test-equal "close-inferior"
+ '((hello) (world))
+ (let* ((inferior1 (open-inferior %top-builddir #:command "scripts/guix"))
+ (lst1 (inferior-eval '(list 'hello) inferior1))
+ (inferior2 (open-inferior %top-builddir #:command "scripts/guix"))
+ (lst2 (inferior-eval '(list 'world) inferior2)))
+ ;; This call succeeds if and only if INFERIOR2 does not also hold a file
+ ;; descriptor to the socketpair beneath INFERIOR1; otherwise it blocks.
+ ;; See <https://issues.guix.gnu.org/55441#10>.
+ (close-inferior inferior1)
+
+ (close-inferior inferior2)
+ (list lst1 lst2)))
+
(test-equal "&inferior-exception"
'(a b c d)
(let ((inferior (open-inferior %top-builddir